Q. When 100 mL of 1 M $NaOH$ solution is mixed with 10 mL of 10 M $H_{2}SO_{4}$, the resulting mixture will be

A) Acidic
B) Alkaline
C) $HClO_{3}$
D) $H_{3}PO_{3}$
Explanation

(a)
$N_{NaOH} = 1 \times 1 = 1\ N$
$N_{H_{2}SO_{4}} = 2 \times 10 = 20\ N$
Millieq. of $NaOH = 1 \times 100 = 100$
Millieq. of $H_{2}SO_{4} = 20 \times 10 = 200$
Thus, Millieq. of acid are left and therefore $pH < 7$. So, the resulting mixture will be acidic

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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